Home / 499,741.86-689,649.21-273,382.50

Finding the Fourth Proportional to 499,741.86, 689,649.21 and 273,382.50

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Solution

The fourth proportional to 499,741.86, 689,649.21 and 273,382.50 is: 377,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,741.86 : 689,649.21 = 273,382.50 : x
  2. Step 2: Convert to fraction form
    499,741.86/689,649.21 = 273,382.50/x
  3. Step 3: Cross multiply
    499,741.86x = 689,649.21 × 273,382.50
  4. Step 4: Simplify right side
    499,741.86x = 188,538,025,152.83
  5. Step 5: Solve for x
    x = 188,538,025,152.83/499,741.86
  6. Step 6: Final answer
    x = 377,270.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.